Concept:An employer has legal obligations to protect and support the employee in the course of duty.
Explanation:An employer must indemnify an employee against liabilities incurred while carrying out official duties.
This means the employer compensates or protects the employee from losses or legal claims arising from lawful work activities.
Option C is wrong because an employer cannot terminate employment without notice except in valid circumstances.
Option B is not a legal obligation.
Option D is wrongly worded and refers to compensation for injuries caused by negligence, not the main duty of indemnity for liabilities on duty.
Answer:A. indemnify him against liabilities incurred on duty